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Difficulty: HardEliminating Redundancy

The exceptional preservation of wooden shipwrecks in the Baltic Sea is due to the water's low salinity. This chemical composition prevents wood-boring shipworms from surviving, which is because they cannot live in these conditions, allowing centuries-old vessels to remain intact.

Which choice is the most effective and concise correction for the underlined portion of the passage?

  1. A
    This chemical composition prevents wood-boring shipworms from surviving, which is because they cannot live in these conditions
  2. This composition prevents wood-boring shipworms from survivingAnswer
  3. C
    This composition prevents wood-boring shipworms from surviving, it is a habitat where they cannot live
  4. D
    Although this composition prevents wood-boring shipworms from surviving

Answer

The choice that reads 'This composition prevents wood-boring shipworms from surviving' is correct because it eliminates redundant phrasing while maintaining grammatical correctness.
The option that reads 'This composition prevents wood-boring shipworms from surviving' is correct because it is the most concise choice that eliminates the redundant phrase expressing that the shipworms cannot live in those conditions. It also maintains grammatical correctness, allowing the sentence to conclude with a modifying participle phrase ('allowing centuries-old vessels to remain intact').

Step-by-Step Solution

1
Analyze the underlined portion for redundant information.
Identify that the phrase 'prevents wood-boring shipworms from surviving' and the clause 'which is because they cannot live in these conditions' repeat the same concept.
Eliminating redundant words and synonym expressions is required to make the writing concise.
2
Evaluate the grammar of the remaining choices.
Determine which choices introduce grammatical errors such as comma splices or fragments.
An option must not only be concise but also grammatically sound within the context of the sentence.
3
Select the most concise, grammatically correct option.
The option 'This composition prevents wood-boring shipworms from surviving' is chosen.
It removes all redundant references and forms a complete independent clause that is correctly followed by the modifying participle phrase.

Key Concept

Eliminating Redundancy
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Topics

Eliminating Redundancy

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